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Y UNrTnD ASrrrrss PATENT OFFICE.

JOHN E. PARAlVIORE, OF VAUSAU, WINDOW-liti, ASSIGNOR, RV DIRECT AND MSNEASSIGNMENTS, (lli1 ONIGI'IA CAMERON, BO'll-l OF SAME lLiAUlfl.

Ilf" TO .TOllN .T. MURRAY ANT) JOHN lVIlNlNG PAN OB SETTLER.

SPECIFICATION forming part of Letters Patent No. 357,852, dated Februaryl5, 1887.

Application filed December 2, 1985.

To all whom it may concern:

Beit known that I, J oHN'lt. lnnniuonn, ol' Wausau, in the county ofMarathon,and in the State of Wisconsin, haveinvented certain new anduseful Improvements in Mining Pans or Settlers; and I do hereby declarethat the foll lowing is a full, clear, and exact description thereof.

My invention relates to machines for sepa- L-g rating metal from quartzor other substances;

and itv consists in certain peculiarities of construction, as will behereinafter described with reference to the accompanying drawings andsubsequently claimed.

While I herein show crushing and screening mechanism and describe it indetail, I do not consider suchmechanism as a part of this invention, anddo not claim it herein, it being only described and illustrated as thepreferred means to be used for preparing material for treatment in myimproved mining` pan or settler, and which mechanism forms the subjectof a separate application, No. 209,467, tiled July 29, 1886.

Figure 1 of the drawings represents a seetional elevation of .myimproved mining pan or .settler and aside elevation of the crushing andscreening mechanism used in connection therewith; Fig. 2, an endelevation of the crushing and screening mechanism, and Fig.

3 a perspective view ot' one of Y,the `sieves.

A A represent vertical standards, lsuitably braced apart to form themain frame ofa erush ing-mill, said standards being provided with 3 5bearings for the shafts B B' of a series of horizontal crushing-rolls,C, vertically arranged in pairs. The vertical standards A A are alsoprovided with brackets b, having journals c for gear-wheels D, thelatter meshing with 4o gear-wheels E, jourualed to the shafts B of thecrushing-rolls C. These gear-wheels E in turn mesh with gear-wheels E',journaled to the shafts B of the inner crushing-rolls, and by C thisarrangement of gearing the several crushing-rolls are made to turntoward each other.

The crushing-rolls C may be either smooth or corrugated upon theirsurfaces; or the upper pair of rollers may be corrugated and the lowerpairs smooth, this' construction being 5o shown byFifr. 1.

Serial No. 184,429. (No model.)

The standards A A are slotted, as at ct, Fig. 2, Ior the reception ofthe springs a and the bearingboxes a', against which said springsinipinge, and wherein the upper roller-shafts, B B', are mounted. may bemounted in the same way, if found de sirable. This construction servesto retain the rollers G in their normal position, but at the same timeallows a yielding motion should any substance of more than ordinary sizeor hardness be fed thereto from the hopper.

The shaft B of one lower crushing-roll is extended to form a main shaft,F, au additional bearing, d, for the same being provided at the top of avertical post, G. This main shaft F has keyed thereto a beveledgear-wheel, I;I, designed to mesh with a similar wheehl, keyed to avertical shaft. K, having its bearings in brackets e, secured to thevertical post G, a bracket, f, projecting from one of the frame- 7nstandards, and a socket, g, on the basepiece M. The upper end of thevertical shaft K is provided with an eccentric, 71,. having arodconnection, i, with a hopper, N, loosely hung by links lc to the mainframe, so as to have a vibratory motion when said eccentric is operated.Hung by links m to the main frame, a suitable distance below thecrushingrolls, are a series of horizontal sieves, O. united at theirends by vertical strips n, one of said strips be- 8o ing connected tothe rod o of an eccentric, p, secured to the vertical shaft K. By thisec` centric connection a v-ibratory motion is imparted to the sieveswhen the vertical shaft is revolved.

Suitably suspended in the main frame below the sieves is a trough, l?,leading to the hopper r of a pan, R, havinga ifertieal central shaft, S,bearing in a socket, s, on the basepiece M, and a bracket. t, projectingfrom one go of the vertical frame-standards. This shaft S is hollowabove'the bottom of the pan, the lower end of this hollow portion beingprovided with a series of perforations, as shown at a, and a Watersupplypipe, T, is introduced and extended any suitable distance down the boreof said shaft.

To the lower or solid portion ofthe shaft S, below the pan, is secured abeveledgear-wheel,

U, meshing with a similar wheel,-V, on one rco All of the roller-shafts55 end of a shaft, NV, which revolves in bearings o on the base-piece M.This shaft W at its other end carries a beveled gear-wheel, X, whichmeshes with a similar wheel, Y, on the Vertical shaft K, motion beingimparted t-o the various operating parts ofthe machine th rough themedium of the main shaft F, driven byany suitable power. Y'

The pan R has an inwardly-projecting rim, Vw, provided with a dependingflange, x, and at abouthaltway of its depth this pan is provided with atrough, e, extending from the inner circumference toward the center,toleave a central opening, through which accessinay be had to the innerbottom portion of saidpan. The trough z has a depending lange,z; andadapted to close the central opening formed by said trough and itsflange is a perforated cover, Z, conical in shape and provided with avertical collar, b, adapted to be removably secured to the shaft S byset-screws c', or other suitable means, said set-screws also serving tosupport the hopper r in operative position.

In the operation of my invention, motion being impart-ed to the variousparts of the Inachine through the medium of the main shaft F, the quartzor other substance is fed from the vibrating hopper N to thecrushing-rolls C, and from thence to the vibrating sieves O, where theeoarser metallic particles are separated and retained,the residuepassing on down to the trough P, from whence it is conducted to thehopper r and into the pan R, between the collar b ofthe perforatedconical cover Z and the hollow shaft S. Tater from'the supplypipe T isintroduced into the lower portion of the pan through the perforations inthe lower hollouT part of the shaft S, and said pan being revolved at ahigh rate of speed, the residue or tailings therein are thoroughlywashed. By this washing of the residue or tailings the heavier portionsor metals that may have escaped through the sieves are freed from thesurrounding substances, and, being ofgreater specitic gravity, tend toremain in the lower p'ortion ofthe pan, while the lighter materialoverows with the water through the perforated cover Z into the trough Bycentrifugal force the heavier the lower portion of the pan accumulatearound the inner circumference and are prevented from rising by thedownwardly projecting iiange e of the trough z. Such particles as mayhave escaped through the perforated cover with the overflow from thepan-bottom are subjected to a further agitation in the trough z, and bycentrifugal force the heavier portion or metals contained thereinaccumulate and remain between the inner upper wall of the pan and theflange m, depending from the rim w, the lighter and worthless materialbeing carried entire] y out of the pan by the overflow.

Having thus fully described my invention, what I claim as new, anddesire to secure by Letters Patent, is-

1. A pan having an inwardly-projecting rim provided with a dependingilange, an internal trough, also provided'with a depending flange, aperforated cover, and a hollow revolving shaft provided withperforations, substantially as and for the purpose set forth. Y

2. A pan having an in wardly-proj ecting rim provided with a dependingflange, an internal trough, also provided with a depending flange, aperforated conical cover having a vertical collar, the set-screws forsecuring the same, a hopper designed to fit upon said collar, and ahollow revolving shaft provided with -perforations, substantially as andfor the purpose set forth.

3. A pan having an inwardlvprojecting rim provided with a dependingflange, an internal trough, also provided with a depending flange, aperforated coverK and a hollow revolving shaft pr vided withperforations, in combination with a water-supply pipe inserted in thebore of said shaft, substantially as and for the purpose set forth.

In testimony that I claim the foregoing I have hereunto set my hand, atMilwaukee, in the county of Milwaukee and State of VVisconsin, in thepresence of two witnesses.

JOHN E. PARAMORE.

Witnesses:

MAURICE F. FREAR,

THOMPSON.

portions or metals remaining in

